Chapter 1 Test Math 6

True or False: 2, 3, 5, 7 are the first four prime numbers

• True

• False

Which of the following numbers is a prime number:

6, 8, 14, 17, 21

Which of the following numbers is a prime number:

9, 11, 15, 20, 22

Which of the following numbers is not a prime number:

3, 7, 11, 23, 35

What is the prime factorization of 8?

• 4 x 2

• 2 x 2 x 2

• 2 x 3

• 3 x 3

What is the prime factorization of 12?

• 2 x 2 x 3

• 3 x 4

• 2 x 6

• 2 x 2 x 2

What is the prime factorization of 27?

• 2 x 3 x 3

• 3 x 3 x 3

• 3 x 9

• 2 x 2 x 2

What are the first four multiples of 6?

• 6, 12, 18, 24

• 6, 16, 23 30

• 6, 13, 21, 28

• 6, 11, 17, 28

What are the first four multiples of 8?

• 1, 2, 4, 8

• 8, 16, 24, 32

• 6, 12, 24, 36

• 6, 12, 18, 24

What is the Greatest Common Factor(GCF) of 10 and 8